1. From the Department of Nutrition (B.Q., L.S.A., B.M.P., M.A.M.), Hypertension Research Program, Department of Family Medicine (A.J.V.), and Department of Biostatistics (L.J.E.), University of North Carolina at Chapel Hill; Department of Population Science, Rutgers Cancer Institute of New Jersey, New Brunswick (B.Q.); Department of Epidemiology, University of Alabama at Birmingham (P.M.); and Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC (B.L.P.).